package com.servlet.filter;//package com.servlet.filter;
//
//import java.io.IOException;
//
//import javax.servlet.Filter;
//import javax.servlet.FilterChain;
//import javax.servlet.FilterConfig;
//import javax.servlet.ServletException;
//import javax.servlet.ServletRequest;
//import javax.servlet.ServletResponse;
//import javax.servlet.annotation.WebFilter;
//import javax.servlet.http.HttpServletRequest;
//import javax.servlet.http.HttpServletResponse;
//import javax.servlet.http.HttpSession;
////@WebFilter("/*")
//public class CheckLoginFilter implements Filter {
//
//	@Override
//	public void destroy() {
//		// TODO Auto-generated method stub
//
//	}
//
//	@Override
//	public void doFilter(ServletRequest arg0, ServletResponse arg1, FilterChain arg2)
//			throws IOException, ServletException
//	{
//		 HttpServletRequest  req=(HttpServletRequest)arg0;
//         HttpServletResponse  resp=(HttpServletResponse)arg1;
//
//
//         HttpSession hs=req.getSession();
//         if(null==hs.getAttribute("userloged"))
//         {
//        	 //你没有登录   http://llsdfsdf/admin/*
//        	 resp.sendRedirect("/login.jsp");
//         }else
//         {
//        	 //你登录过
//        	 arg2.doFilter(req, resp);
//         }
//
//
//	}
//
//	@Override
//	public void init(FilterConfig arg0) throws ServletException {
//		// TODO Auto-generated method stub
//
//	}
//
//}
